MICROBIO 140P Lecture Notes - Lecture 4: London Sewerage System, Typhoid Fever, Environmental Health Officer
21 Feb 2017
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Painful and beat up even if you survive (cid:862)worse tha(cid:374) forty fights(cid:863) Vi(cid:272)toria(cid:374) lo(cid:374)do(cid:374) (cid:894)(cid:1005)85(cid:1004)"s(cid:895: 2. 5 million people, 200-year-old infrastructure. Cesspools 1-2 feet of human waste in basements of homes. Environmental health officer: disease prevention can be expensive and not always popular. London cholera outbreak 1854: led to renovation of london sewer system. Pre-19th century reactions to disease: close borders and ports, creating quarantines, white washing towns and villages, burning beddings, fumigation. Public health revolution: proactive instead of reactive, cost effectiveness of prevention rather than solving problems when they arise. Humanity for all, safety of masses, security for privileged: legislation gave authority to agencies charged with protecting the pu(cid:271)li(cid:272)"s health. Cholera: infection of small intestine by bacterium, causes severe diarrhea and dehydration, has pathogenic and non-pathogenic strains, transmitted by feces contaminated water and food. Can persist in water supplies: the gut as an environment for microbes in the small intestine, villi create a ton of surface area to absorb nutrients.
